Apparatus for controlling ink pressure
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United States of America Patent
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Sep 5, 2017
Grant Date -
Jan 26, 2017
app pub date -
Dec 5, 2014
filing date -
Dec 5, 2013
priority date (Note) -
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Abstract
An apparatus for controlling ink pressure in a printhead, the apparatus comprising: an integrally formed structure having: at least one control reservoir separated into first and second chambers by a weir; at least one inlet passageway, extending from the first chamber to an inlet port on an edge of the structure, for supplying ink from a remote source into the first chamber of the reservoir; at least one fluid outlet passageway, extending from the second chamber to an outlet port on an edge of the structure, for recirculating fluid from the reservoir to the remote source of ink; and at least one ink supply port, in communication with the first chamber, for supplying ink to, or receiving ink from, a printhead.
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